I’ve been looking around for a good holster for my M9A3 and I’m really struggling to find something that I like. I’d prefer to keep it around $100, and would like to find something that is compatible with a TLR-1 HL. Concealability (is that a word?) isn’t a factor, it’s going on a of battle belt of sorts.

Any suggestions for something that’s a good fit for those criteria?

If need be, I can drop the light requirement, but I’d prefer not to.

Safariland makes several for the M9A1 (fits your A3) that include the light,  There are also several Velcro wrap around types with semi hard sides that will fit very well and secure.
Might check eBay for “M9A1 holster”  or “tactical pistol holster”

I ended up finding one of the Safariland RGR holsters on eBay, thanks.